From 8f12f5008a2236dfcf0dea218c842e0ca6020495 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 5 Nov 2020 17:58:13 +0000
Subject: [PATCH] scaffold-clamp: wip

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 scaffold-clamp.scad | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scaffold-clamp.scad b/scaffold-clamp.scad
index 5d669ed..ed3ed4a 100644
--- a/scaffold-clamp.scad
+++ b/scaffold-clamp.scad
@@ -6,6 +6,8 @@ th = 6;
 
 pin_gap = 1.0; // around
 
+smooth_r = 10;
+
 // calculated
 
 pin_dia = th;
@@ -15,7 +17,11 @@ hinge_o_r = 0.5 * hole_dia + th;
 
 hinge_x = -0.5 * tube_dia - hinge_o_r;
 
+$fa = 3;
+$fs = 0.1;
+
 module Plan() {
+  offset(r=-smooth_r) offset(delta=smooth_r)
   union(){
     translate([hinge_x, 0]) circle(r= hinge_o_r);
     circle(r = tube_dia/2 + th);
-- 
2.30.2